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Finding the Fourth Proportional to 58,114.97, 87,187.08 and 16,561.97

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Solution

The fourth proportional to 58,114.97, 87,187.08 and 16,561.97 is: 24,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,114.97 : 87,187.08 = 16,561.97 : x
  2. Step 2: Convert to fraction form
    58,114.97/87,187.08 = 16,561.97/x
  3. Step 3: Cross multiply
    58,114.97x = 87,187.08 × 16,561.97
  4. Step 4: Simplify right side
    58,114.97x = 1,443,989,756.47
  5. Step 5: Solve for x
    x = 1,443,989,756.47/58,114.97
  6. Step 6: Final answer
    x = 24,847.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.